Symbol
ATRA on Nasdaq
Investment type
Equity / Common Stock
Latest Disclosed Shares Owned
1,370,081 shares
Security Ownership %
20%

Adiumentum Capital Fund I LP ownership in Atara Biotherapeutics, Inc. Common Stock (ATRA)

16 May 2025 - Adiumentum Capital Fund I LP has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,370,081 shares of Atara Biotherapeutics, Inc. Common Stock (ATRA). This represents 20% ownership of the company. This is the first filing by Adiumentum Capital Fund I LP disclosing ownership of Atara Biotherapeutics, Inc. Common Stock (ATRA).